Now Make HD call with Jio4GVoice ios app in iphones

Finally,Jio4GVoice App has launched for low-end iPhone devices Like iPhone 5s, iPhone 5, iPhone 4s, iPhone 4 which doesn't support VOLTE. SO Make Free Calls From Reliance Jio with Jio4GVoice ios App iPhone.Because now you are capable of making unlimited free HD Video call and HD Voice call from their iPhones.Just you need to do "Enter the Phone number in Jio4GVoice ios all to make
your first voice/video call in iphone."

Which iphones Don't need JIO4GVOICE ios App ?

the
The following iPhones support the 40 bands and VoLTE on which Reliance Jio
works (mostly the LTE band 40).